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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.uima.ruta.block;
import org.apache.uima.ruta.RutaStream;
import org.apache.uima.ruta.ScriptApply;
import org.apache.uima.ruta.visitor.InferenceCrowd;
/**
* A block construct in UIMA Ruta, in which each rule matches only once and additional positions are
* skipped.
*
*/
public class OnlyOnceBlock extends RutaScriptBlock {
public OnlyOnceBlock(RutaBlock parent, String defaultNamespace) {
super(null, null, null, parent, defaultNamespace);
}
@Override
public ScriptApply apply(RutaStream stream, InferenceCrowd crowd) {
boolean oldSetting = stream.isOnlyOnce();
stream.setOnlyOnce(true);
ScriptApply result = super.apply(stream, crowd);
stream.setOnlyOnce(oldSetting);
return result;
}
}